Hi Prunarevic.  Can you clarify your question?  I'm a bit confused about what you're asking. Typical parasite hosting is accomplished by hacking into a website or finding an openly editable portion of a website and adding content that redirects to your target page.  It's not advisable, and if you break laws while hacking into someone's website it could be far more trouble than it'd ever be worth.

Right. If both languages are to be that dominant it could justify the use of a subdomain for the English weighted portions, but it would take some clever coding to get it right.

Great question Neil!  Google uses optical character recognition (OCR, more specifically OCRopus) to convert visible print into search searchable text; hence, you're able to find terms in Google books via Google search. Link text is also recognizable due to the standard 'http' format, so even though you'd never be able to click it via an old book in the library (who knows what new ones will do!) Google Books is still able to recognize the link and treat it as such in the digital, Internet realm.  Now, a website that is being mentioned in books has a high likelihood of having a robust backlink profile, but that notwithstanding, I'd bet that Google would give an high amount of trust to a link that makes it into its OCR database.

As for street view, that is pushing it!  Who knows though, there's merit in giving a website online exposure for the offsite work they do via billboards, store fronts, etc.  I think you and I both would love to know the people that could truly answer that one though, huh?

Since it's native Chinese speakers I'd weight everything towards that priority, i.e. title tags begin in Chinese and then have their English translation. Obviously your going to run into problems with length there, but in other on page areas you should be fine. If it's only one page I'd also lean towards choosing zh as your language setting. One strategy that you could pursue however would be to code two separate, but duplicate pages, one in English, the other in Chinese that are on separate subdomains then as someone goes through the page they could study flash card style with translations being pulled from the other subdomain via a lightbox or something similar. It would be difficult and more work, but you'd also have more ability to really strengthen results, one for English and one for Chinese. Bilingual pages aren't my specialty though. I think a French / Canadian SEO could add some valuable input here as they have English and French as dual official language. Pinging someone from there could be useful, especially in a place like Montreal. Hopefully my above suggestion helps somewhat. Sorry I can't add more input about the science.